Which Boveda refill pack do I need for my guitar or large instrument?
Both the Boveda B49 and B49HA formulas for large instrument and guitar moisture control are available by the:
- 4-Pack = One-time refill for a Large Starter Kit
- 12-Pack = Full year of refills for a Large Starter Kit
- 20-Pack = Refills for several starter kits or multiple instruments
Boveda has a shelf-life of 2 years when kept in its original packaging or resealed in its plastic bag.